If the na+ voltage-gated channels in a muscle cell open, what will be the result?

Answers

Answer 1
If the Na+ voltage-gated channels in a muscle cell open, the Na (sodium) ions rush inside the muscle cell and makes the cell more positive as Na ions carry positive charge on it. Due to the entry of positively charged ions inside the cell, the cell becomes less negative and more positive. This is called depolarization of cell.
Answer 2
If Na+ voltage-gated channels open, Na ions will enter the cell and make it less negative or more positive. The neuromuscular junction is a chemical synapse. ... This action potential is propagated along the sarcolemma of the muscle fiber, which triggers sliding of the myofilaments for muscle contraction.

Related Questions

A crime has been committed. from the blood spatter, it is possible to determine

Answers

From blood spatter you can determine the angle and the velocity of the blood. If there are several drops, you can pinpoint the source of the blood. Knowing the distance from the source to the blood spatter and the velocity can let you know the height and estimate the force applied.
This all will able you to determine:
1. The angle of impact for a drop of blood
2. Point of convergence for several drops of blood
3. Distance to the point of convergence and a blood drop
4. Point of origin, the source of blood

Were there many or few vessels serving as conduits between the lungs and the heart? why is this important?

Answers

True, there are many vessels serving as a conduit between the lungs and the heart. 

The number of the vessel is many because all the carbon dioxide from body need to be released at the lungs. More vessel means more surface area and blood flow rate to do the diffusion of the gas which means increased diffusion rate. This will allow the lung to transfer oxygen and dump carbon dioxide faster.

The application of science to solve practical problems is known as A) biology. B) engineering. C) pseudoscience. D) technology.

Answers

The answer would be D. Technology

The application of science to solve practical problems is known as technology.

What is science?"The systematic study of the structure and behaviour of the physical and natural world through observation and experiment is called science."The methodology in science requires evidence.What is Technology?"The application of scientific knowledge for practical purposes, especially in industry is called technology."It makes our work efficient and effective.Example: it takes lot of time and labor to draw water from a well but with the help of pulley system (it is based on science) the work work can be done effortlessly.

Hence, the correct option is D. technology.

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If a patient cannot shrug the shoulders against resistance, which cranial nerve (cn) requires further evaluation?

Answers

coral bone
   hsdfghsdg sg agfg

Based on the question, the cranial nerve that required further evaluation is the CN XI, spinal accessory

The spinal accessory nerve refers to the eleventh paired cranial nerve. It contains a purely somatic motor function.

Further Explanation

The spinal accessory nerve has two roots:  

Spinal part Cranial part  

The spinal part arises from the end of the nucleus ambiguous. It also possibly arises from the dorsal nucleus within the vagus nerve. The fibers present in the nucleus are linked bilaterally with corticobulbar tract.

The corticobulbar tract is the motor neuron of the cranial nerves that connect the cerebral cortex with the brainstem.  

The cranial portion of the spinal accessory nerves is very smaller and arises from the lateral part of the medullar oblongata. It leaves the medullar oblongata as five rootlets that unite together and also join the spinal part of the accessory nerves, like it enters the jugural foramen; it can transmit fibers to the spinal part at this point.

It can only unite with the spinal portion of the accessory nerves for a short period of time before it unites with the inferior ganglion within the vague nerve.  At this point, the cranial fibers will now pass to the recurrent laryngeal and pharyngeal branches of the vagus nerve.

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cranial nerve https://brainly.com/question/12872005spinal accessory nerve https://brainly.com/question/2285781

KEYWORDS:

The cranial portionCN XI, spinal accessory The spinal part corticobulbar tractvagus nerve

What macromolecule made by plants is burned in the mitochondria

Answers

Glucose.

I take honors biology.

Final answer:

Glucose is the macromolecule made by plants that is burned in mitochondria, releasing energy in the form of ATP.

Explanation:

The macromolecule made by plants that is burned in the mitochondria is glucose. Glucose is a type of sugar and is the main source of energy for cells. During cellular respiration, glucose is broken down in the mitochondria to release energy in the form of ATP.

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If enough changes occur in the gene pool of a species, it is possible that a new species would be created.
a. True
b. False

Answers

The answer is true, it is possible that a new species would be created if enough changes occur in the gene pool.

The most rapid way that erythrocytes adapt to high altitudes is

Answers

By increasing the intracellular concentration on BPG
Hope this helps :)

Which of the following best describes ecological succession? A. The change in the genetic makeup of a species over time B. The change in the number of populations in a community over time C. The change in the composition of species in a community over time D. The change in populations over time

Answers

I would say D is da best answer not rlly 100 but dats seems da best 2 me  

The statement that best describes the process of ecological succession is the change in population over time. Thus, the correct option for this question is D.

What is Ecological succession?

Ecological succession may be defined as the process of gradual and continuous replacement of one community by another community over a long period of time. It is most likely to be taken place by a better competitor. Frederic Clements was known as the father of succession.

According to the theory of ecological succession, the gradual replacement of community is generally accomplished with respect to time.

Primary succession is the initial step of this theory which initiates in the bare area followed by secondary succession. In the absence of disturbance, the climax stage is attained with the most stable type of community.

Therefore, the statement that best describes the process of ecological succession is the change in population over time. Thus, the correct option for this question is D.

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One of the many functions of ____ is to span the plasma membrane and form channels that allow passage of molecules and ions into and out of the cell.

Answers

Protein function includes spanning the plasma membrane to form channels, allowing for the passage of molecules and ions in and out of the cell. 

Depending on their location, membrane proteins may be involved with cell-to-cell signaling and interactions, and channeling of molecules and ions into and out of the cell. The transport of molecules and ions through the plasma membrane is done by passive and facilitated diffusion. Finally, membrane proteins located in the "face" of the membrane closer to the cytosol provide anchoring of the cytoskeletal proteins to the membrane for cell structure stability. 

Answer:

proteins

Explanation:

True or false: ligaments can be overstretched leading to excessively loose joints increasing the risk of injury.

Answers

True - ligaments can be overstretched.

Through what openings of the nose does inhaled air enter the upper respiratory tract? anterior nares posterior nares nasal cavity nasopharynx

Answers

The answer to this question would be: anterior nares

The name of the opening of the nose is anterior nares. It was located in the nasal area. The nasal cavity is the area behind the nostril. Posterior nares is the opening that connects the nasal cavity to the nasopharynx. The nasopharynx is the area behind the nose that connects to the throat.

The spindle serves two roles in mitotic cell division. these are to separate the

Answers

They attach to the centromeres and pull apart new chromosomes to the opposite poles of the cell

Answer:

Spindle fiber is made up of microtubules that originates from the centriole present at both the poles of the animal cell. Plant cells do not contain centriole but can generate spindles from centrosomes.

During the mitotic cell division, the spindle fiber attach to a specialized structure made up of a protein complex called kinetochore which is present on the centromere of mature chromosome. Then these spindle pull the chromosome toward the pole through their centromere.

These spindle fibers help to separate the chromosomes during nuclear division in mitosis but it also helps in chromosome editing by holding two sister chromatids at their position together.  

The separation of chromosome is necessary so that after cell division both the daughter cell contains genetic material.

Colette burned her finger on a plate that just came out of the microwave. The instant she touched the plate, she felt the painful burn. Which part of the brain allows her to have these sensations?

A.) brain stem

B.) frontal lobe

C.) cerebellum

D.) parietal lobe

Answers

The answer would be D. (The parietal lobe)

Answer:

D. Parietal lobe

Explanation:

The temperature pathway travels through the sensory tract, specifically the spinothalamic tract which is part of the somato-sensory tract (conscious sensation). The sensory pathway is an ascendent pathway that carries information from the periphery to the brain, in this case the sensation is the heat, which is felt at the finger, the sensation then travels upwards and enters the spinal cord at the cervical level and crosses the midline to the opposite side, then continues to the brain stem and finally to the parietal lobe, areas 3,  1, 2 (primary somatosensory area) where the information is processed.

Pebbles caught in swirling eddies of water best describe ________.

Answers

This action creates potholes in a stream channel. This is a cylindrical pit created in the rocky part of a stream. The pothole is enlarged by the erosion created by the pebbles that are carried by the currents that move against the main current of a stream.

When compared to viral and bacterial stis, ectoparasitic infections like crabs and scabies are considered minor in terms of their effect on the body and prevalence.
a.true?

Answers

The statement above is TRUE.
Viral and bacteria STIs are usually acquired through sexual contact with an infected person. These infections have serious devastating effects on the affected and death usually result if the infection is not treated promptly. Some of these infections are still without drugs that can cure them, especially the viral STIS. 
Ectoparasitic infections are those infections that are caused by tiny parasitic organisms. They are usually transmitted by close physical contact. The parasite usually affect skin or hair and typically cause itching. The effects of these infections are mild compare to that of viral and bacterial STIs.

What type of stimuli are responsible for olfaction and gustation?​
a. ​waveform
b. ​chemical
c. ​mechanical
d. ​electrical?

Answers

The answer is b. ​chemical
 


hope this helps!!!

The nurse is caring for a patient with acute pancreatitis. the patient has an order for an anticholinergic medication. the nurse explains that the patient will be receiving that medication for what reason?

Answers

This medicine will lower the amount of pancreatic and biliary secretions. One of the major side effects of anticholinergic drugs is a lowered level of salivary secretions, which is similar to the main effects that the drug will have on a patient who has been experiencing pancreatitis.

What class of organic molecules does cholesterol belong to?

Answers

it belongs to "lipid".Group of macromolecules and is a member of a group of sterols. Hope it helps! God bless you :)

A client taking oral corticosteroids is exposed to varicella. the client has never had the disease and has not received the varicella vaccine. what intervention should the nurse anticipate in order to prevent the client from developing varicella?

Answers

If a client/patient has never been vaccinated for the Varicella and now has been exposed, they cannot be vaccinated. Since the patient is now taking oral corticosteroids the nurse needs to make a fast intervention. The client/patient will need to given another medicine to help them not catch varicella. The medicine that should be given to the client/patient is called acyclovir. 

The sensations of movement, balance, and body position is known as:

Answers

I think its Locomotion

Atp is generated during cellular respiration. in which stage is the most atp produced?

Answers

During the electron transport chain (ETC), the most ATP is produced, around 32-34 of the 36-38 ATP produced per glucose molecule. This process is also known as chemiosmosis, or oxidative phosphorylation, which occurs inside the mitochondria eukaryotic cells.

Why do cells convert the energy stored in the bonds of glucose into energy stored in the bonds of atp?

Answers

Why do cells convert the energy stored in the bonds of glucose into energy stored in the bonds of ATP? Glucose is not a usable energy source for most enzymes.Theenergy in the bonds of glucose can only be extracted by the enzymes of glycolysis and respiration.

Most enzymes can't get their power from glucose. The enzymes of glycolysis and respiration are the only processes that can get the energy out of the bonds of glucose.

Why is the energy stored in glucose transferred to ATP?

It is derived from the glucose that is present in the foods that you consume. Energy is stored in the chemical bonds that are present in glucose molecules. A process known as cellular respiration is what releases the energy that has been stored and changes it into a form that your cells can use. This happens after glucose has been digested and transferred to the cells in your body.

ATP has a very modest amount of usable energy, whereas the molecules that make up food (in the form of carbs) have far higher levels of energy. ATP is easily available to cells, in contrast to carbohydrate molecules, which must first be phosphorylated in order to release the energy that they contain. ATP may be used by cells immediately.

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What is the greatest source of indoor air pollution in developing countries?

Answers

Solid fuels such as biomass and coal used for cooking and heating are the greatest sources of indoor air pollution in developing countries, affecting women and children the most and leading to respiratory infections and millions of deaths annually.

The greatest source of indoor air pollution in developing countries is the use of solid fuels (such as biomass and coal) for household cooking and space heating. This method of cooking and heating is typically done on open fires or stoves without chimneys, which leads to significant indoor air pollution and the potential for serious respiratory infections. Women and children in developing countries are especially affected by this exposure, as they spend more time within the household where such pollutants are prevalent.

It is estimated that half of the world's population relies on these solid fuels. The resulting indoor air pollution is responsible for over 1.6 million deaths per year and accounts for 2.7% of the global disease burden. Children under the age of five, who are more susceptible to harmful pollutants, constitute roughly half of the deaths associated with the indoor use of solid fuels.

What most likely the result of the polar ice caps melting?

Answers

The sea will rise higher and cause all land masses to be flooded.
Global warming would be the cause of it

As electrons move from the higher to the lower energy level, they release energy and ________ occurs. Question 8 options: excitation ground state emission quantum state

Answers

As electrons move from the higher to the lower energy level, they release energy and GROUND STATE occur.
There are many energy levels in atoms of elements and electrons can move from one level to another level and the lowest level possible is called the ground state. An electron needs energy to move from the ground state to an higher energy level. When an electron gains energy, it becomes excited and acquire the capacity to move to an higher level. When an electron in an higher energy level loses energy, it falls back to the ground state. 

The reason the person above said ground state was because they probably assumed once the fireworks went off it got rid of all the electrons excited state. That is incorrect because ground state is the state of an electron (s) lowest energy point. That would be before you even light the fireworks to be set off, not after. After occurs emission, in which the fireworks go off anf color is released which would be photons. The answer is emission. Have a blessed day! :)

Minerals are micronutrients required by the body for various key functions. The mineral is required to carry oxygen in the blood to all body tissues, and is a rich source of this mineral.

Answers

The answer to this question would be: Iron

Iron or Fe is the minerals that used in hemoglobin that binds oxygen or carbon dioxide in red blood cells. Deficiency in iron can lead into lower hemoglobin, thus lowering the oxygen delivery to the body tissue. Iron-rich food would be red meat like chicken or beef and spinach.
Final answer:

Minerals such as iron, calcium, and potassium are essential for bodily functions like oxygen transportation, bone health, and muscle function, which can be obtained through diet or supplements in case of deficiency.

Explanation:Importance of Minerals in the Body

Minerals are inorganic chemical elements critical for various physiological processes in the body. One such mineral is iron, which plays a crucial role in the transportation of oxygen in the blood through its incorporation into hemoglobin. A lack of this essential mineral can lead to health issues such as anemia. Other important minerals include calcium for bone health, potassium for muscle function, and trace minerals like iodine and zinc for various metabolic processes. Essential minerals are often obtained through diet and, in cases of deficiency, supplements may be utilized to maintain proper health.

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Why is lily intrigued by the honey jar?

Answers

In The Secret Life of Bees, Lily is intrigued by the honey jar because it bears an image of a Black Madonna, which symbolizes a deep connection to her past and her quest for identity.

The image on the jar catches Lily's attention because it opens up a sense of mystery and significance, leading her to believe that it might be connected to her late mother, whose memory she is desperately trying to understand and reconcile with.

Lily's fascination with the honey jar reflects her longing for maternal love and guidance, as well as her desire to uncover the truth about her mother. This symbol becomes a driving force in her journey to Tiburon, South Carolina, where she hopes to find answers about her mother and, ultimately, about herself.

Complete Question:

Read "The Secret Life of Bees" by Sue Monk Kidd.

Why is lily intrigued by the honey jar?

If a person's vital capacity is 4000ml, her expiratory reserve volume is 1000ml, and her inspiratory reserve volume is 2500ml, and her tidal volume is ________.

Answers

500ml I believe hope this is wright !

According to the british anatomist wilfrid le gros clark, the main tendencies that help to define what a primate is include
a. parental investment; similar dental specializations; and small brains.
b. all of the choices are correct.
c. prehensile fingers, toes, and tails; dietary plasticity; and enhanced sense of vision.
d. the ability to eat a wide variety of foods; investing time and effort into offspring; and adaptations to life in the trees.

Answers

The correct option is D.
According to the British Anatomist, primates have these three distinguishing characteristics"
1. Primates eat a wide variety of food, that is, they exhibit dietary plasticity. 
2. Primates are adapted to living on trees. Primates have specific anatomical structures and behavior which adapted them to living on trees.
3. Primate put in a lot of time in taking care of their offspring. Primate usually give birth to few children but they invest time in taking care of their children.

can someone help me please fast

Answers

Flase.

Hope this Helps! :)
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